viirya edited a comment on pull request #30657:
URL: https://github.com/apache/spark/pull/30657#issuecomment-741476895
> @wangyum @viirya yes I was able to reproduce the same issue. I think it
could be cause we have `RelCollationImpl` included in both `hive-exec` jar and
`calcite-core` jar. Perhaps we should exclude the latter from the Hive binary
distribution and classpath.
>
> I'll update the release vote email thread and start a new RC once this is
fixed.
We have included `org.apache.calcite:*` in Hive shaded jar. The following
error looks like there is other calcite jar in the classpath so it conflicts
with the shaded calcite.
```
Caused by: java.lang.NoSuchMethodError:
org.apache.calcite.rel.RelCollationImpl.<init>(Lorg/apache/hive/com/google/common/collect/ImmutableList;)V
at
org.apache.hadoop.hive.ql.optimizer.calcite.HiveRelCollation.<init>(HiveRelCollation.java:29)
at
org.apache.hadoop.hive.ql.optimizer.calcite.RelOptHiveTable.getCollationList(RelOptHiveTable.java:181)
at
org.apache.calcite.rel.metadata.RelMdCollation.table(RelMdCollation.java:175)
```
Do we know where it comes from?
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